“電弧”造句
2024年03月28日 09:12:58
焊縫外要避免
電弧穿刺.
Arc strikes outside of the welds were avoided.
我們總是用直流(交換 )
電弧焊機(jī)焊吸收子.
We used to weld pipes with direct. C are welder A . C . welder.
介紹了利用復(fù)合梁理論測量高速
電弧噴涂層彈性模量的方法.
An effective three - point bending test based on compound beam theory is introduced.